Minecraft Java 1.21 Mods
Browse 3,634 free mods for Minecraft Java 1.21 — popular picks include MobBuckets, Villager Self Defense, Suction: Happy Ghast Enchantment.
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MobBuckets
Clutching with fish and axolotls is boring, clutch with anything your heart desires!
Villager Self Defense
Enables villagers to equip armor and weapons to defend themselves against attackers.
Suction: Happy Ghast Enchantment
An enchantment that suctions you onto your Happy Ghast from below it, and keeps it in place!
Cobblemon Spawn Notif Discord
A server-side Discord integration addon for Cobblemon with special spawn alerts, captures, Minecraft ↔ Discord chat bridge, Pokémon images, advanced filters, Alpha compatibility, and a single config file.
Instant Wither Spawn
Tired of waiting for the Wither to spawn every single time? This mod removes the invulnerability stage entirely!
QuickScale
QuickScale 是一款为 Minecraft Fabric 设计的效率工具模组,提供快速调整游戏交互范围与实体尺寸的快捷键功能,并支持实时配置。适用于建筑玩家、测试者和希望提升操作效率的玩家。 QuickScale is an productivity tool mod designed for Minecraft Fabric that provides shortcut keys to quickly adjust the game's interaction range and entity
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
DynLight
dynamic lights -- held or dropped items, glowing or on-fire mobs, flaming arrows, etc. configurable and provides an API for other plugins
Ranged Attack Damage│遠程攻擊力
New attribute: Ranged attack damage. This affects the damage of arrows and tridents fired by mobs.│新增屬性:遠程攻擊傷害。此屬性會影響生物發射的箭矢的傷害。
RealHostilesAI
Realistic hostile mob behavior for Minecraft: natural reactions, no unfair attacks, and no mob swarming.
Hunter And Hunted
Hunter and Hunted makes mobs smarter and deadlier—creepers ambush from cover, skeletons kite you, and Endermen silently stalk if you stare too long. It’s a lightweight plugin that turns survival into a true predator-versus-prey experience.
xLifestealCore
Everything You Need to Run a Competitive Lifesteal Server
EntityVisibility
A lightweight client-side Fabric mod that adds an in-game menu where you can toggle the visibility of every entity type in the game - mobs, animals, armor stands, item frames, display entities, dropped items, projectiles, even modded entities.
Hoglin Cavalry│疣豬獸騎兵
Piglins and Hoglins are now allies, and Piglins have a chance to spawn riding Hoglins.│豬布林和疣豬獸現在是盟友,豬布林生成時有概率騎著疣豬獸。
Phantom Rework
Stronger phantoms the less you sleep, absorption buffs for enduring them. Shields will stun them, and fire will remove them.
NoWanderingTrader
Prevents wandering traders from spawning naturally
Armor Management
Gear up and pick-pocket entities using Minecraft's built-in armor system.
MTrolling
A fully configurable troll plugin with a huge variety of troll features for funny and chaotic moments on your server.
Mob Pouches - Pouchable Villagers
An example data pack for the Mob Pouches mod that allows Villagers to be pouchable.

Slime Tweaker
Small mod that adds a gamerule and config to change the size of spawned slimes.
EXP-Gems
Perfect for RPG/Fantasy servers
Work Orders
Put your copper golems to work with custom jobs and tasks.
CraftStands
A Crafting Focused Armor Stand Datapack focused on Survival, Limited, but unique Armor Stands. Unique functionality with special item based animations & commands!
KeepItSecret
Makes player and mob nameplates get obscured by blocks (configurable).
Lasomme
An Origin for the Origins mod. Uses quick air mobility to dodge attacks and inflict maximum damage.
RandomMobBoost
Give a Chance Reinforcement Every Mob.
Gangland Warfare – GTA-Style Crime
Turn your server into a living crime world with gangs, guns, bounties, and progression
LancerCore
Advanced Spear Combat: Combos, Elemental Catalysts & Stats
Meme Craft
This mod adds memes into minecraft
No Peaceful Despawn
Keeps monsters in Peaceful Mode with gamerule tweaks.
SmartSaddle
SmartSaddle allows you to easily transport mount entities (horses, donkeys, mules and camels).
Assassin Enchant
This adds an enchantment which gives you more experience when killing mobs
Bug Out! Cobblemon
A Datapack/Resource Pack duo that reshapes the Bug-type to bring new life into the type by changing the stats of some Bug-types, give them new abilities and moves as well as some new typings.
Void Vanguards
🛰️ ModJam 2025: A lore filled quest mod about conflict between The Vanguard and Voidborn.
Lenient Spawns
Allows mobs to spawn on slabs and other non-full blocks as long as there is a full block below it
Conjurer's Dream
Summon entities to fight and defend for you using a diverse array of powerful staffs each with unique abilities.